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Oppenheimer poles are galvanised iron telegraph poles. They consist of three oval sections that collapse into each other telescope-style for transportation. Once extended, the joints between the sections are clamped with collars. The pole is fixed to a base for support with a u-bolt. The poles were used in the construction of the Australian ...
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
The Chicago Tunnel Company was the builder and operator of a 2 ft (610 mm) narrow-gauge railway freight tunnel network under downtown Chicago, Illinois. This was regulated by the Interstate Commerce Commission as an interurban even though it operated entirely under central Chicago, did not carry passengers, and was entirely underground. [ 1 ]
January 22, 1848 map in New York Herald showing extent of existing and planned North American telegraph lines. At this time, the service area for the United States reached Petersburg, Virginia in the south, Portland, Maine in the northeast, Cleveland, Ohio in the northwest, and as far west as East St. Louis, Illinois.
Local depot telegraph operators would keep track of train arrival times at each station (referred to as "OSing" the train) and pass the information on to other operators and the dispatcher. The local depot operator would also set the track switches to enable the inferior train to pull into the siding upon the approach of the superior train.
The American Telegraph Company's lines occupied the entire region east of the Hudson River and ran all along the Atlantic coast down to the Gulf of Mexico. Cities were connected from Newfoundland to New Orleans. From this main backbone, the American Telegraph Company's lines branched west to cities like Pittsburgh, Philadelphia, and Cincinnati. [3]
A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and ...
Swedish, German, and Irish workers were among the earliest to move near these factories. By 1920, these jobs drew Poles and Italians as well, and the population of the area more than quadrupled in the next decade. By 1930 the population escalated to 60,221, one-third foreign-born. In the 1930s, the community area became known as Belmont Cragin.